return "PORT_OTHER";
        case POWER_DOMAIN_VGA:
                return "VGA";
-       case POWER_DOMAIN_AUDIO:
-               return "AUDIO";
+       case POWER_DOMAIN_AUDIO_MMIO:
+               return "AUDIO_MMIO";
+       case POWER_DOMAIN_AUDIO_PLAYBACK:
+               return "AUDIO_PLAYBACK";
        case POWER_DOMAIN_AUX_A:
                return "AUX_A";
        case POWER_DOMAIN_AUX_B:
        BIT_ULL(POWER_DOMAIN_PORT_DSI) |                \
        BIT_ULL(POWER_DOMAIN_PORT_CRT) |                \
        BIT_ULL(POWER_DOMAIN_VGA) |                     \
-       BIT_ULL(POWER_DOMAIN_AUDIO) |           \
+       BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) |              \
+       BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) |          \
        BIT_ULL(POWER_DOMAIN_AUX_B) |           \
        BIT_ULL(POWER_DOMAIN_AUX_C) |           \
        BIT_ULL(POWER_DOMAIN_GMBUS) |           \
        BIT_ULL(POWER_DOMAIN_PORT_DDI_D_LANES) |        \
        BIT_ULL(POWER_DOMAIN_PORT_DSI) |                \
        BIT_ULL(POWER_DOMAIN_VGA) |                     \
-       BIT_ULL(POWER_DOMAIN_AUDIO) |           \
+       BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) |              \
+       BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) |          \
        BIT_ULL(POWER_DOMAIN_AUX_B) |           \
        BIT_ULL(POWER_DOMAIN_AUX_C) |           \
        BIT_ULL(POWER_DOMAIN_AUX_D) |           \
        BIT_ULL(POWER_DOMAIN_PORT_DDI_D_LANES) |                \
        BIT_ULL(POWER_DOMAIN_PORT_CRT) | /* DDI E */    \
        BIT_ULL(POWER_DOMAIN_VGA) |                             \
-       BIT_ULL(POWER_DOMAIN_AUDIO) |                   \
+       BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) |              \
+       BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) |                  \
        BIT_ULL(POWER_DOMAIN_INIT))
 
 #define BDW_DISPLAY_POWER_DOMAINS (                    \
        BIT_ULL(POWER_DOMAIN_PORT_DDI_D_LANES) |                \
        BIT_ULL(POWER_DOMAIN_PORT_CRT) | /* DDI E */    \
        BIT_ULL(POWER_DOMAIN_VGA) |                             \
-       BIT_ULL(POWER_DOMAIN_AUDIO) |                   \
+       BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) |              \
+       BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) |                  \
        BIT_ULL(POWER_DOMAIN_INIT))
 
 #define SKL_DISPLAY_POWERWELL_2_POWER_DOMAINS (                \
        BIT_ULL(POWER_DOMAIN_AUX_B) |                       \
        BIT_ULL(POWER_DOMAIN_AUX_C) |                   \
        BIT_ULL(POWER_DOMAIN_AUX_D) |                   \
-       BIT_ULL(POWER_DOMAIN_AUDIO) |                   \
+       BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) |              \
+       BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) |                  \
        BIT_ULL(POWER_DOMAIN_VGA) |                             \
        BIT_ULL(POWER_DOMAIN_INIT))
 #define SKL_DISPLAY_DDI_IO_A_E_POWER_DOMAINS (         \
        BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) |                \
        BIT_ULL(POWER_DOMAIN_AUX_B) |                   \
        BIT_ULL(POWER_DOMAIN_AUX_C) |                   \
-       BIT_ULL(POWER_DOMAIN_AUDIO) |                   \
+       BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) |              \
+       BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) |                  \
        BIT_ULL(POWER_DOMAIN_VGA) |                             \
        BIT_ULL(POWER_DOMAIN_INIT))
 #define BXT_DISPLAY_DC_OFF_POWER_DOMAINS (             \
        BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) |                \
        BIT_ULL(POWER_DOMAIN_AUX_B) |                       \
        BIT_ULL(POWER_DOMAIN_AUX_C) |                   \
-       BIT_ULL(POWER_DOMAIN_AUDIO) |                   \
+       BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) |              \
+       BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) |                  \
        BIT_ULL(POWER_DOMAIN_VGA) |                             \
        BIT_ULL(POWER_DOMAIN_INIT))
 #define GLK_DISPLAY_DDI_IO_A_POWER_DOMAINS (           \
        BIT_ULL(POWER_DOMAIN_AUX_E_TBT) |               \
        BIT_ULL(POWER_DOMAIN_AUX_F_TBT) |               \
        BIT_ULL(POWER_DOMAIN_VGA) |                     \
-       BIT_ULL(POWER_DOMAIN_AUDIO) |                   \
+       BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) |              \
+       BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) |                  \
        BIT_ULL(POWER_DOMAIN_INIT))
        /*
         * - transcoder WD
        BIT_ULL(POWER_DOMAIN_AUX_TBT5) |                \
        BIT_ULL(POWER_DOMAIN_AUX_TBT6) |                \
        BIT_ULL(POWER_DOMAIN_VGA) |                     \
-       BIT_ULL(POWER_DOMAIN_AUDIO) |                   \
+       BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) |              \
+       BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) |                  \
        BIT_ULL(POWER_DOMAIN_INIT))
 
 #define TGL_PW_2_POWER_DOMAINS (                       \
        RKL_PW_4_POWER_DOMAINS |                        \
        BIT_ULL(POWER_DOMAIN_PIPE_B) |                  \
        BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) |     \
-       BIT_ULL(POWER_DOMAIN_AUDIO) |                   \
+       BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) |              \
+       BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) |                  \
        BIT_ULL(POWER_DOMAIN_VGA) |                     \
        BIT_ULL(POWER_DOMAIN_TRANSCODER_B) |            \
        BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC1) |      \
        BIT_ULL(POWER_DOMAIN_AUX_B) |                   \
        BIT_ULL(POWER_DOMAIN_INIT))
 
+/*
+ * DG1 onwards Audio MMIO/VERBS lies in PG0 power well.
+ */
+#define DG1_PW_3_POWER_DOMAINS (                       \
+       TGL_PW_4_POWER_DOMAINS |                        \
+       BIT_ULL(POWER_DOMAIN_PIPE_B) |                  \
+       BIT_ULL(POWER_DOMAIN_TRANSCODER_B) |            \
+       BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) |     \
+       BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC1) |      \
+       BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_TC2) |      \
+       BIT_ULL(POWER_DOMAIN_AUX_USBC1) |               \
+       BIT_ULL(POWER_DOMAIN_AUX_USBC2) |               \
+       BIT_ULL(POWER_DOMAIN_VGA) |                     \
+       BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) |                  \
+       BIT_ULL(POWER_DOMAIN_INIT))
+
+#define DG1_PW_2_POWER_DOMAINS (                       \
+       DG1_PW_3_POWER_DOMAINS |                        \
+       BIT_ULL(POWER_DOMAIN_TRANSCODER_VDSC_PW2) |     \
+       BIT_ULL(POWER_DOMAIN_INIT))
+
+#define DG1_DISPLAY_DC_OFF_POWER_DOMAINS (             \
+       DG1_PW_3_POWER_DOMAINS |                        \
+       BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) |              \
+       BIT_ULL(POWER_DOMAIN_MODESET) |                 \
+       BIT_ULL(POWER_DOMAIN_AUX_A) |                   \
+       BIT_ULL(POWER_DOMAIN_AUX_B) |                   \
+       BIT_ULL(POWER_DOMAIN_INIT))
+
 /*
  * XE_LPD Power Domains
  *
        XELPD_PW_B_POWER_DOMAINS |                      \
        XELPD_PW_C_POWER_DOMAINS |                      \
        XELPD_PW_D_POWER_DOMAINS |                      \
-       BIT_ULL(POWER_DOMAIN_AUDIO) |                   \
+       BIT_ULL(POWER_DOMAIN_AUDIO_PLAYBACK) |                  \
        BIT_ULL(POWER_DOMAIN_VGA) |                     \
        BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) |        \
        BIT_ULL(POWER_DOMAIN_PORT_DDI_LANES_D_XELPD) |  \
 
 #define XELPD_DISPLAY_DC_OFF_POWER_DOMAINS (           \
        XELPD_PW_2_POWER_DOMAINS |                      \
+       BIT_ULL(POWER_DOMAIN_AUDIO_MMIO) |              \
        BIT_ULL(POWER_DOMAIN_MODESET) |                 \
        BIT_ULL(POWER_DOMAIN_AUX_A) |                   \
        BIT_ULL(POWER_DOMAIN_AUX_B) |                   \
        },
 };
 
+static const struct i915_power_well_desc dg1_power_wells[] = {
+       {
+               .name = "always-on",
+               .always_on = true,
+               .domains = POWER_DOMAIN_MASK,
+               .ops = &i9xx_always_on_power_well_ops,
+               .id = DISP_PW_ID_NONE,
+       },
+       {
+               .name = "power well 1",
+               /* Handled by the DMC firmware */
+               .always_on = true,
+               .domains = 0,
+               .ops = &hsw_power_well_ops,
+               .id = SKL_DISP_PW_1,
+               {
+                       .hsw.regs = &hsw_power_well_regs,
+                       .hsw.idx = ICL_PW_CTL_IDX_PW_1,
+                       .hsw.has_fuses = true,
+               },
+       },
+       {
+               .name = "DC off",
+               .domains = DG1_DISPLAY_DC_OFF_POWER_DOMAINS,
+               .ops = &gen9_dc_off_power_well_ops,
+               .id = SKL_DISP_DC_OFF,
+       },
+       {
+               .name = "power well 2",
+               .domains = DG1_PW_2_POWER_DOMAINS,
+               .ops = &hsw_power_well_ops,
+               .id = SKL_DISP_PW_2,
+               {
+                       .hsw.regs = &hsw_power_well_regs,
+                       .hsw.idx = ICL_PW_CTL_IDX_PW_2,
+                       .hsw.has_fuses = true,
+               },
+       },
+       {
+               .name = "power well 3",
+               .domains = DG1_PW_3_POWER_DOMAINS,
+               .ops = &hsw_power_well_ops,
+               .id = ICL_DISP_PW_3,
+               {
+                       .hsw.regs = &hsw_power_well_regs,
+                       .hsw.idx = ICL_PW_CTL_IDX_PW_3,
+                       .hsw.irq_pipe_mask = BIT(PIPE_B),
+                       .hsw.has_vga = true,
+                       .hsw.has_fuses = true,
+               },
+       },
+       {
+               .name = "DDI A IO",
+               .domains = ICL_DDI_IO_A_POWER_DOMAINS,
+               .ops = &hsw_power_well_ops,
+               .id = DISP_PW_ID_NONE,
+               {
+                       .hsw.regs = &icl_ddi_power_well_regs,
+                       .hsw.idx = ICL_PW_CTL_IDX_DDI_A,
+               }
+       },
+       {
+               .name = "DDI B IO",
+               .domains = ICL_DDI_IO_B_POWER_DOMAINS,
+               .ops = &hsw_power_well_ops,
+               .id = DISP_PW_ID_NONE,
+               {
+                       .hsw.regs = &icl_ddi_power_well_regs,
+                       .hsw.idx = ICL_PW_CTL_IDX_DDI_B,
+               }
+       },
+       {
+               .name = "DDI IO TC1",
+               .domains = TGL_DDI_IO_TC1_POWER_DOMAINS,
+               .ops = &hsw_power_well_ops,
+               .id = DISP_PW_ID_NONE,
+               {
+                       .hsw.regs = &icl_ddi_power_well_regs,
+                       .hsw.idx = TGL_PW_CTL_IDX_DDI_TC1,
+               },
+       },
+       {
+               .name = "DDI IO TC2",
+               .domains = TGL_DDI_IO_TC2_POWER_DOMAINS,
+               .ops = &hsw_power_well_ops,
+               .id = DISP_PW_ID_NONE,
+               {
+                       .hsw.regs = &icl_ddi_power_well_regs,
+                       .hsw.idx = TGL_PW_CTL_IDX_DDI_TC2,
+               },
+       },
+       {
+               .name = "AUX A",
+               .domains = TGL_AUX_A_IO_POWER_DOMAINS,
+               .ops = &icl_aux_power_well_ops,
+               .id = DISP_PW_ID_NONE,
+               {
+                       .hsw.regs = &icl_aux_power_well_regs,
+                       .hsw.idx = ICL_PW_CTL_IDX_AUX_A,
+               },
+       },
+       {
+               .name = "AUX B",
+               .domains = TGL_AUX_B_IO_POWER_DOMAINS,
+               .ops = &icl_aux_power_well_ops,
+               .id = DISP_PW_ID_NONE,
+               {
+                       .hsw.regs = &icl_aux_power_well_regs,
+                       .hsw.idx = ICL_PW_CTL_IDX_AUX_B,
+               },
+       },
+       {
+               .name = "AUX USBC1",
+               .domains = TGL_AUX_IO_USBC1_POWER_DOMAINS,
+               .ops = &icl_aux_power_well_ops,
+               .id = DISP_PW_ID_NONE,
+               {
+                       .hsw.regs = &icl_aux_power_well_regs,
+                       .hsw.idx = TGL_PW_CTL_IDX_AUX_TC1,
+                       .hsw.is_tc_tbt = false,
+               },
+       },
+       {
+               .name = "AUX USBC2",
+               .domains = TGL_AUX_IO_USBC2_POWER_DOMAINS,
+               .ops = &icl_aux_power_well_ops,
+               .id = DISP_PW_ID_NONE,
+               {
+                       .hsw.regs = &icl_aux_power_well_regs,
+                       .hsw.idx = TGL_PW_CTL_IDX_AUX_TC2,
+                       .hsw.is_tc_tbt = false,
+               },
+       },
+       {
+               .name = "power well 4",
+               .domains = TGL_PW_4_POWER_DOMAINS,
+               .ops = &hsw_power_well_ops,
+               .id = DISP_PW_ID_NONE,
+               {
+                       .hsw.regs = &hsw_power_well_regs,
+                       .hsw.idx = ICL_PW_CTL_IDX_PW_4,
+                       .hsw.has_fuses = true,
+                       .hsw.irq_pipe_mask = BIT(PIPE_C),
+               }
+       },
+       {
+               .name = "power well 5",
+               .domains = TGL_PW_5_POWER_DOMAINS,
+               .ops = &hsw_power_well_ops,
+               .id = DISP_PW_ID_NONE,
+               {
+                       .hsw.regs = &hsw_power_well_regs,
+                       .hsw.idx = TGL_PW_CTL_IDX_PW_5,
+                       .hsw.has_fuses = true,
+                       .hsw.irq_pipe_mask = BIT(PIPE_D),
+               },
+       },
+};
+
 static const struct i915_power_well_desc xelpd_power_wells[] = {
        {
                .name = "always-on",
                err = 0;
        } else if (DISPLAY_VER(dev_priv) >= 13) {
                err = set_power_wells(power_domains, xelpd_power_wells);
-       } else if (IS_ALDERLAKE_S(dev_priv) || IS_DG1(dev_priv)) {
+       } else if (IS_DG1(dev_priv)) {
+               err = set_power_wells(power_domains, dg1_power_wells);
+       } else if (IS_ALDERLAKE_S(dev_priv)) {
                err = set_power_wells_mask(power_domains, tgl_power_wells,
                                           BIT_ULL(TGL_DISP_PW_TC_COLD_OFF));
        } else if (IS_ROCKETLAKE(dev_priv)) {